47206388 has 12 divisors (see below), whose sum is σ = 82686912. Its totient is φ = 23581560.

The previous prime is 47206363. The next prime is 47206421. The reversal of 47206388 is 88360274.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131 + ... + 9717.

It is an arithmetic number, because the mean of its divisors is an integer number (6890576).

Almost surely, 2^47206388 is an apocalyptic number.

It is an amenable number.

47206388 is a deficient number, since it is larger than the sum of its proper divisors (35480524).

47206388 is a wasteful number, since it uses less digits than its factorization.

47206388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822 (or 10820 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 47206388 is about 6870.6905038722. The cubic root of 47206388 is about 361.4100766841.

The spelling of 47206388 in words is "forty-seven million, two hundred six thousand, three hundred eighty-eight".